[INFO] cloning repository https://github.com/tylerreisinger/neural-network-deep-learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tylerreisinger/neural-network-deep-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftylerreisinger%2Fneural-network-deep-learning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftylerreisinger%2Fneural-network-deep-learning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e9b993dc16ba212952631e2fa08a1b63ac1c99fb [INFO] checking tylerreisinger/neural-network-deep-learning against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftylerreisinger%2Fneural-network-deep-learning" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tylerreisinger/neural-network-deep-learning on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tylerreisinger/neural-network-deep-learning [INFO] finished tweaking git repo https://github.com/tylerreisinger/neural-network-deep-learning [INFO] tweaked toml for git repo https://github.com/tylerreisinger/neural-network-deep-learning written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tylerreisinger/neural-network-deep-learning already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c46a06a276dd93d70a4940e7f7eda19f92ec00d98d6e04a162ed9a504caaf043 [INFO] running `Command { std: "docker" "start" "-a" "c46a06a276dd93d70a4940e7f7eda19f92ec00d98d6e04a162ed9a504caaf043", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c46a06a276dd93d70a4940e7f7eda19f92ec00d98d6e04a162ed9a504caaf043", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c46a06a276dd93d70a4940e7f7eda19f92ec00d98d6e04a162ed9a504caaf043", kill_on_drop: false }` [INFO] [stdout] c46a06a276dd93d70a4940e7f7eda19f92ec00d98d6e04a162ed9a504caaf043 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b9900c6a0de9f5b3f313008bd71b981bcf33eada469c520bc31dedc0489862e [INFO] running `Command { std: "docker" "start" "-a" "7b9900c6a0de9f5b3f313008bd71b981bcf33eada469c520bc31dedc0489862e", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking neural_net v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/mnist/idx.rs:150:44 [INFO] [stdout] | [INFO] [stdout] 150 | const BUF_READER_CAPACITY: usize = (1 << 20); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 150 - const BUF_READER_CAPACITY: usize = (1 << 20); [INFO] [stdout] 150 + const BUF_READER_CAPACITY: usize = 1 << 20; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/mnist/idx.rs:150:44 [INFO] [stdout] | [INFO] [stdout] 150 | const BUF_READER_CAPACITY: usize = (1 << 20); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 150 - const BUF_READER_CAPACITY: usize = (1 << 20); [INFO] [stdout] 150 + const BUF_READER_CAPACITY: usize = 1 << 20; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/mnist/idx.rs:402:9 [INFO] [stdout] | [INFO] [stdout] 402 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mnist/error.rs:48:32 [INFO] [stdout] | [INFO] [stdout] 48 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 48 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mnist/error.rs:48:32 [INFO] [stdout] | [INFO] [stdout] 48 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 48 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/mnist/error.rs:28:38 [INFO] [stdout] | [INFO] [stdout] 28 | write!(f, "{}", self.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/mnist/error.rs:30:38 [INFO] [stdout] | [INFO] [stdout] 30 | write!(f, "{}", self.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/mnist/error.rs:40:44 [INFO] [stdout] | [INFO] [stdout] 40 | MnistError::Io(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/mnist/error.rs:28:38 [INFO] [stdout] | [INFO] [stdout] 28 | write!(f, "{}", self.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/mnist/error.rs:30:38 [INFO] [stdout] | [INFO] [stdout] 30 | write!(f, "{}", self.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/mnist/error.rs:40:44 [INFO] [stdout] | [INFO] [stdout] 40 | MnistError::Io(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let labels = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `images` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let images = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_images` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `num_neurons` is never read [INFO] [stdout] --> src/net/geom.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Geometry { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 5 | layers_geometry: Vec, [INFO] [stdout] 6 | num_neurons: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Geometry` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let labels = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `images` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let images = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_images` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `num_neurons` is never read [INFO] [stdout] --> src/net/geom.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Geometry { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 5 | layers_geometry: Vec, [INFO] [stdout] 6 | num_neurons: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Geometry` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "7b9900c6a0de9f5b3f313008bd71b981bcf33eada469c520bc31dedc0489862e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b9900c6a0de9f5b3f313008bd71b981bcf33eada469c520bc31dedc0489862e", kill_on_drop: false }` [INFO] [stdout] 7b9900c6a0de9f5b3f313008bd71b981bcf33eada469c520bc31dedc0489862e [INFO] checking tylerreisinger/neural-network-deep-learning against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftylerreisinger%2Fneural-network-deep-learning" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tylerreisinger/neural-network-deep-learning on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tylerreisinger/neural-network-deep-learning [INFO] finished tweaking git repo https://github.com/tylerreisinger/neural-network-deep-learning [INFO] tweaked toml for git repo https://github.com/tylerreisinger/neural-network-deep-learning written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tylerreisinger/neural-network-deep-learning already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 280c34443115a04faf533e3e3cbffe783f76dd205e86d58d99d51298f3760f66 [INFO] running `Command { std: "docker" "start" "-a" "280c34443115a04faf533e3e3cbffe783f76dd205e86d58d99d51298f3760f66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "280c34443115a04faf533e3e3cbffe783f76dd205e86d58d99d51298f3760f66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "280c34443115a04faf533e3e3cbffe783f76dd205e86d58d99d51298f3760f66", kill_on_drop: false }` [INFO] [stdout] 280c34443115a04faf533e3e3cbffe783f76dd205e86d58d99d51298f3760f66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d162307eae7697ad83a9d481a862660f3cd138ccf182fa17968849f12ca716d [INFO] running `Command { std: "docker" "start" "-a" "0d162307eae7697ad83a9d481a862660f3cd138ccf182fa17968849f12ca716d", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.21 [INFO] [stderr] Checking byteorder v1.0.0 [INFO] [stderr] Checking rand v0.3.15 [INFO] [stderr] Checking neural_net v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/mnist/idx.rs:150:44 [INFO] [stdout] | [INFO] [stdout] 150 | const BUF_READER_CAPACITY: usize = (1 << 20); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 150 - const BUF_READER_CAPACITY: usize = (1 << 20); [INFO] [stdout] 150 + const BUF_READER_CAPACITY: usize = 1 << 20; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/mnist/idx.rs:402:9 [INFO] [stdout] | [INFO] [stdout] 402 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/mnist/idx.rs:150:44 [INFO] [stdout] | [INFO] [stdout] 150 | const BUF_READER_CAPACITY: usize = (1 << 20); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 150 - const BUF_READER_CAPACITY: usize = (1 << 20); [INFO] [stdout] 150 + const BUF_READER_CAPACITY: usize = 1 << 20; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mnist/error.rs:48:32 [INFO] [stdout] | [INFO] [stdout] 48 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 48 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/mnist/error.rs:48:32 [INFO] [stdout] | [INFO] [stdout] 48 | fn cause(&self) -> Option<&Error> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 48 | fn cause(&self) -> Option<&dyn Error> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/mnist/error.rs:28:38 [INFO] [stdout] | [INFO] [stdout] 28 | write!(f, "{}", self.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/mnist/error.rs:30:38 [INFO] [stdout] | [INFO] [stdout] 30 | write!(f, "{}", self.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/mnist/error.rs:40:44 [INFO] [stdout] | [INFO] [stdout] 40 | MnistError::Io(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/mnist/error.rs:28:38 [INFO] [stdout] | [INFO] [stdout] 28 | write!(f, "{}", self.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/mnist/error.rs:30:38 [INFO] [stdout] | [INFO] [stdout] 30 | write!(f, "{}", self.description()), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/mnist/error.rs:40:44 [INFO] [stdout] | [INFO] [stdout] 40 | MnistError::Io(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let labels = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `images` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let images = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_images` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `num_neurons` is never read [INFO] [stdout] --> src/net/geom.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Geometry { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 5 | layers_geometry: Vec, [INFO] [stdout] 6 | num_neurons: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Geometry` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/mnist/idx.rs:158:13 [INFO] [stdout] | [INFO] [stdout] 152 | let f = fs::File::open(file_name)?; [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 153 | let mut reader = io::BufReader::with_capacity(BUF_READER_CAPACITY, f); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 158 | / IdxReader { [INFO] [stdout] 159 | | reader: reader, [INFO] [stdout] 160 | | header: header, [INFO] [stdout] 161 | | } [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/mnist/idx.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 168 | pub fn new(mut reader: R) -> Result> { [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 172 | / IdxReader { [INFO] [stdout] 173 | | reader: reader, [INFO] [stdout] 174 | | header: header, [INFO] [stdout] 175 | | } [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________| [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `labels` [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let labels = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `images` [INFO] [stdout] --> src/main.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let images = [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_images` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `num_neurons` is never read [INFO] [stdout] --> src/net/geom.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Geometry { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] 5 | layers_geometry: Vec, [INFO] [stdout] 6 | num_neurons: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Geometry` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/mnist/idx.rs:158:13 [INFO] [stdout] | [INFO] [stdout] 152 | let f = fs::File::open(file_name)?; [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 153 | let mut reader = io::BufReader::with_capacity(BUF_READER_CAPACITY, f); [INFO] [stdout] | ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 158 | / IdxReader { [INFO] [stdout] 159 | | reader: reader, [INFO] [stdout] 160 | | header: header, [INFO] [stdout] 161 | | } [INFO] [stdout] | | ^ [INFO] [stdout] | | | [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/mnist/idx.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 168 | pub fn new(mut reader: R) -> Result> { [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 172 | / IdxReader { [INFO] [stdout] 173 | | reader: reader, [INFO] [stdout] 174 | | header: header, [INFO] [stdout] 175 | | } [INFO] [stdout] | | ^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____________| [INFO] [stdout] | [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `neural_net` (bin "neural_net" test) due to 3 previous errors; 9 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `neural_net` (bin "neural_net") due to 3 previous errors; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "0d162307eae7697ad83a9d481a862660f3cd138ccf182fa17968849f12ca716d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d162307eae7697ad83a9d481a862660f3cd138ccf182fa17968849f12ca716d", kill_on_drop: false }` [INFO] [stdout] 0d162307eae7697ad83a9d481a862660f3cd138ccf182fa17968849f12ca716d